请教大家一个问题

2021-06-08 · 19098 阅读

我有一个指标不显示，不知道哪儿错了，请高手赐教

#property copyright "Copyright 2018, MetaQuotes Software Corp."
#property link    "https://www.mql5.com"
#property version "1.00"
#property strict
#property indicator_separate_window
#property indicator_buffers 3

input int    m=144;
input int    k=5;

double A1[];
double A2[];
double A3[];

//+------------------------------------------------------------------+
//|                                                                |
//+------------------------------------------------------------------+
int OnInit()
  {

SetIndexStyle(0,DRAW_NONE);
SetIndexBuffer(0,A1);
SetIndexStyle(1,DRAW_NONE);
SetIndexBuffer(1,A2);
SetIndexStyle(2,DRAW_LINE,STYLE_SOLID,1,clrWhite);
SetIndexBuffer(2,A3);
return(INIT_SUCCEEDED);
  }

//------------------------------------------------------------------
int OnCalculate(const int rates_total,
            const int prev_calculated,
            const datetime &time[],
            const double &open[],
            const double &high[],
            const double &low[],
            const double &close[],
            const long &tick_volume[],
            const long &volume[],
            const int &spread[])
  {
if(rates_total<16)
   {
   return(0);
   }

int i,limit;
limit=rates_total-prev_calculated;
if(prev_calculated>0)limit++;
ppp(i,limit);

return(rates_total);
  }

//+------------------------------------------------------------------+
void ppp(int i,int limit)
  {

//TR1:=EMA(CLOSE,16);
for(i=0;i<limit-1;i++)
   {
   A1[i]=iMA(NULL,0,m,0,MODE_EMA,PRICE_CLOSE,i);
   }

//TR2:=EMA(TR1,16);
for(i=0;i<limit-1;i++)
   {
   A2[i]=iMAOnArray(A1,0,k,0,MODE_EMA,i);
   }

for(i=0;i<limit-1;i++)
   {
   A3[i]=100000*(A2[0]-A2[2])/A2[2];
   }

}

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